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  2. Orders of magnitude (molar concentration) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(molar...

    mM 0.32–32 mM: normal range of hydronium ions in stomach acid (pH 1.5–3.5) [16] 5.5 mM: upper bound for healthy blood glucose when fasting [17] 7.8 mM: upper bound for healthy blood glucose 2 hours after eating [17] 10 −2: cM 20 mM: neutrinos during a supernova, 1 AU from the core (10 58 over 10 s) [18] 44.6 mM: pure ideal gas at 0 °C ...

  3. Molar concentration - Wikipedia

    en.wikipedia.org/wiki/Molar_concentration

    Molar concentration or molarity is most commonly expressed in units of moles of solute per litre of solution. [2] For use in broader applications, it is defined as amount of substance of solute per unit volume of solution, or per unit volume available to the species, represented by lowercase : [3]

  4. Mole (unit) - Wikipedia

    en.wikipedia.org/wiki/Mole_(unit)

    The mole is not a true metric (i.e. measuring) unit, rather it is a parametric unit, and amount of substance is a parametric base quantity [26] the SI defines numbers of entities as quantities of dimension one, and thus ignores the ontological distinction between entities and units of continuous quantities [ 27 ]

  5. Parts-per notation - Wikipedia

    en.wikipedia.org/wiki/Parts-per_notation

    Parts-per notation is often used describing dilute solutions in chemistry, for instance, the relative abundance of dissolved minerals or pollutants in water.The quantity "1 ppm" can be used for a mass fraction if a water-borne pollutant is present at one-millionth of a gram per gram of sample solution.

  6. Colorado star Travis Hunter 'for sure' heading to NFL in 2025

    www.aol.com/sports/colorado-star-travis-hunter...

    Colorado star Travis Hunter is heading to the NFL in 2025. The defensive back and wide receiver put the obvious on the record in a news conference with reporters on Thursday and said that the 2024 ...

  7. Remains found in 1973 identified as Pennsylvania teen girl ...

    www.aol.com/remains-found-1973-identified...

    Officials have positively identified the remains of a girl whose body was found hidden in brush under a plastic tarp in 1973, Pennsylvania authorities said this week.

  8. 5 Cheeses You Have to Try from Aldi, According to Customers - AOL

    www.aol.com/5-cheeses-try-aldi-according...

    $1.89 per 8-ounce block. Sharp Cheddar is a well-deserved favorite among Aldi shoppers, and it’s easy to see why. Its bold, tangy flavor makes it the perfect addition to nearly any dish.

  9. Acid dissociation constant - Wikipedia

    en.wikipedia.org/wiki/Acid_dissociation_constant

    Pauling's second rule is that the value of the first pK a for acids of the formula XO m (OH) n depends primarily on the number of oxo groups m, and is approximately independent of the number of hydroxy groups n, and also of the central atom X. Approximate values of pK a are 8 for m = 0, 2 for m = 1, −3 for m = 2 and < −10 for m = 3. [28]